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Finding the Fourth Proportional to 155,908.80, 233,344.80 and 137,246.40

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Solution

The fourth proportional to 155,908.80, 233,344.80 and 137,246.40 is: 205,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,908.80 : 233,344.80 = 137,246.40 : x
  2. Step 2: Convert to fraction form
    155,908.80/233,344.80 = 137,246.40/x
  3. Step 3: Cross multiply
    155,908.80x = 233,344.80 × 137,246.40
  4. Step 4: Simplify right side
    155,908.80x = 32,025,733,758.72
  5. Step 5: Solve for x
    x = 32,025,733,758.72/155,908.80
  6. Step 6: Final answer
    x = 205,413.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.